Nature

A new auxiliary variables-based estimator for population distribution function under stratified random sampling and non-response

Survey sampling is a statistical technique used to collect data from a subset of a larger population to draw conclusions about the entire population. By sampling, researchers can make inferences based ...
Nature

A new improved generalized class of estimators for population distribution function using auxiliary variable under simple random sampling

Generally it is a well-established notion that when the auxiliary variable is used appropriately in survey sampling, precision of the estimator is increased. Numbers of estimators exist in the ...
Investopedia

Understanding Linear Relationships: Definition & Key Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Investopedia

Random Variables: Concepts, Types, and Its Applications in Probability

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...